Commit c3eac343 authored by Seth Howell's avatar Seth Howell Committed by Tomasz Zawadzki
Browse files

nvme/rdma: send an rdma_disconnect during disconnect. 



The rdma_disconnect call triggers an RDMA_CM_EVENT_DISCONNECTED
message on the target side. The hope is that the target side will
reply with the same message in a reasonable amount of time. If the
target doesn't have that mechanism implemented, print an error message
and continue with the process.

Signed-off-by: default avatarSeth Howell <seth.howell@intel.com>
Change-Id: I164a3538714fa3adfc306ea0c88220ea710e7c39
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/1879


Community-CI: Mellanox Build Bot
Tested-by: default avatarSPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: default avatarAleksey Marchuk <alexeymar@mellanox.com>
Reviewed-by: default avatarBen Walker <benjamin.walker@intel.com>
Reviewed-by: default avatarShuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
parent d76965f0

lib/nvme/nvme_rdma.c

+8 −0
Original line number Diff line number Diff line
@@ -1657,6 +1657,14 @@ nvme_rdma_ctrlr_disconnect_qpair(struct spdk_nvme_ctrlr *ctrlr, struct spdk_nvme 
	}



	if (rqpair->cm_id) {

		rdma_disconnect(rqpair->cm_id);

		if (qpair->ctrlr != NULL) {



			if (nvme_rdma_process_event(rqpair, rctrlr->cm_channel, RDMA_CM_EVENT_DISCONNECTED)) {

				SPDK_DEBUGLOG(SPDK_LOG_NVME, "Target did not respond to qpair disconnect.\n");

			}

		}



		if (rqpair->cm_id->qp) {

			rdma_destroy_qp(rqpair->cm_id);

		}